The Top 10 Best Heat Pump Hot Water Systems According to Australian Reviewers

Pros

✅ Australian/Japanese made
✅ High Coefficient of Performance (COP)
✅ Quiet
✅ Uses CO₂ refrigerant (low GWP)
✅ Compatible with solar systems
✅ Eligible for government incentives

Cons

❌ Pricing at the higher end of the spectrum

Pros

✅ Good quality and performance
✅ Competitively priced
✅ Dual sacrificial anodes
✅ Eligible for STCs
✅ Solar-friendly

Cons

❌ Some mention a low hum during operation

Pros

✅ Affordable but good quality
✅ Comparatively quiet
✅ Solar-friendly
✅ Eligible for incentives

Cons

❌ Labour warranty only two years

Pros

✅ Split and all-in-one options
✅ Solar PV mode
✅ 5-year parts & labour warranty (+2 years on tank)
✅ Eligible for incentives

Cons

❌ Pricey (but not the most expensive)

Pros

✅ Competitively priced
✅ Split or all-in-one options
✅ Eligible for incentives
✅ Solar-compatible

Cons

❌ Only 2-year labour warranty
❌ Terrible app

Pros

✅ Well-established company
✅ Japanese-made heat-pump units
✅ Australian-made stainless tanks

Cons

❌ Expensive
❌ No backup element
❌ Poor review scores around the web

Pros

✅ Manufactured in Europe
✅ Solar compatible

Cons

❌ Expensive
❌ Reliability complaints
❌ Non-adjustable timers

Pros

✅ Budget-friendly
✅ 6-year parts & labour warranty
✅ Eligible for STCs
✅ Works with solar systems

Cons

❌ No app or Wi-Fi support

Pros

✅ Cheap but decent quality
✅ Eligible for incentives
✅ Solar-compatible

Cons

❌ Low COP
❌ No app
❌ Only 1-year labour warranty

Pros

✅ Five operation modes
✅ Solar PV compatible
✅ Eligible for STCs

Cons

❌ Expensive
❌ Wi-Fi app costs extra
❌ 1-year labour warranty